Mycobacterium marinum

**Definition:** A moderate-growing, photochromogenic species found in aquariums, diseased fish, and swimming pools. It is the cause of cutaneous lesions and granulomas (swimming pool granuloma) in humans. (Dorland, 28th ed)

**Tree numbers:** - B03.510.024.962.500.720.500 - B03.510.460.400.410.552.552.720.500